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Finding the Fourth Proportional to 66,600.34, 99,905.74 and 22,227.09

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Solution

The fourth proportional to 66,600.34, 99,905.74 and 22,227.09 is: 33,342.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,600.34 : 99,905.74 = 22,227.09 : x
  2. Step 2: Convert to fraction form
    66,600.34/99,905.74 = 22,227.09/x
  3. Step 3: Cross multiply
    66,600.34x = 99,905.74 × 22,227.09
  4. Step 4: Simplify right side
    66,600.34x = 2,220,613,444.28
  5. Step 5: Solve for x
    x = 2,220,613,444.28/66,600.34
  6. Step 6: Final answer
    x = 33,342.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.